74997900000 has 720 divisors, whose sum is σ = 282985762752. Its totient is φ = 19474560000.

The previous prime is 74997899923. The next prime is 74997900023. The reversal of 74997900000 is 979947.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 380699902 + ... + 380700098.

Almost surely, 2^74997900000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74997900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141492881376).

74997900000 is an abundant number, since it is smaller than the sum of its proper divisors (207987862752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74997900000 is an equidigital number, since it uses as much as digits as its factorization.

74997900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 74997900000 in words is "seventy-four billion, nine hundred ninety-seven million, nine hundred thousand".